使用SendInput模拟键盘和鼠标动作

HDC hdc;
 HWND hWnd;
 TCHAR sz[] = L"大家好"; // 查找记事本程序的窗口句柄
 hWnd = ::FindWindow(L"Notepad", NULL); // 如果记事本程序在运行，就向其客户区绘制文本
int nCount=0;
 while(::IsWindow(hWnd)&&nCount<=10)  // IsWindow函数用于判断一个窗口句柄是否有效
 {
  hdc = ::GetDC(hWnd);
  ::TextOut(hdc, 10, 10, sz, wcslen(sz));
  ::ReleaseDC(hWnd, NULL);
  ::Sleep(1000);  /*INPUT minput[2];
  ZeroMemory( &minput, sizeof(INPUT)*2);
  minput[0].type=INPUT_MOUSE;
  minput[0].mi.dx=100;
  minput[0].mi.dy=100;
  minput[0].mi.mouseData=0;
  minput[0].mi.dwFlags=MOUSEEVENTF_RIGHTDOWN;
  minput[1].type=INPUT_MOUSE;
  minput[1].mi.dx=100;
  minput[1].mi.dy=100;
  minput[1].mi.mouseData=0;
  minput[1].mi.dwFlags=MOUSEEVENTF_RIGHTUP;
  UINT uRet=SendInput( 2, minput, sizeof(INPUT) );*/
  INPUT kbinput[5];
  ZeroMemory( &kbinput, sizeof(INPUT)*5 );  kbinput[0].type = INPUT_KEYBOARD;
  kbinput[0].ki.wVk = 'Z';  kbinput[1].type = INPUT_KEYBOARD;
  kbinput[1].ki.wVk = 'W';  kbinput[2].type = INPUT_KEYBOARD;
  kbinput[2].ki.wVk = 'J';
  //kbinput[2].ki.dwFlags = KEYEVENTF_KEYUP;  kbinput[3].type=INPUT_MOUSE;
  kbinput[3].mi.dx=100;
  kbinput[3].mi.dy=100;
  kbinput[3].mi.mouseData=0;
  kbinput[3].mi.dwFlags=MOUSEEVENTF_RIGHTDOWN;  kbinput[4].type=INPUT_MOUSE;
  kbinput[4].mi.dx=100;
  kbinput[4].mi.dy=100;
  kbinput[4].mi.mouseData=0;
  kbinput[4].mi.dwFlags=MOUSEEVENTF_RIGHTUP;  UINT uRet = SendInput( 5, kbinput, sizeof(INPUT) );
  cout<<uRet;
  if(uRet<=0)
  {
   DWORD dwErr=::GetLastError();
   cout<<dwErr;
  }nCount++;
 }
 ::MessageBox(NULL, L"记事本程序已经退出", L"04UseDC", MB_OK);